diff --git a/.github/workflows/gh_actions.yml b/.github/workflows/gh_actions.yml
index 7501c21..3e1682f 100644
--- a/.github/workflows/gh_actions.yml
+++ b/.github/workflows/gh_actions.yml
@@ -161,7 +161,7 @@ jobs:
           os: [ubuntu-latest, windows-latest, macos-latest]
           python-version: ['3.9']
       steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v2
         - name: Install Python 3
           uses: actions/setup-python@v1
           with: